Collision Lab
Interactive elastic & inelastic collision simulator
Drag
Click and drag on canvas to place a ball — drag direction sets velocity (slingshot)
e slider
Coefficient of restitution: 1 = perfectly elastic, 0 = perfectly inelastic (balls stick)
Presets
Load preset scenarios from the control panel (gear icon)
Space
Pause / resume simulation
Click ball
Select a ball to delete it (right-click)
Click anywhere to start